The Steam Injector
A theoretical and practical treatise on the design and operation of injectors and on the flow of fluids through and the design of nozzles.

8 GRAPHIC METHODS OF ENGINE DESIGN. Bv A. H. Barker, B.A., Wh.Sc., author of “Grapliical Calculus,” &c. Second Edition. Crown 8vo. Cloth, price 3s. 6d. net, post free 4s. net, abroad 4s. 3d. net. 20. “Students of mechanics will find this book exceptionally interestine' and useful.”—The Steamship. “ This work bears evidence of great care in its preparation, and should prove useful to many young eng-ineers.”—Engineers' Gazette. “The faet that this concise little work has entered upon its second edition should be sufficient to indicate the valne of the volume to the young mechanic ”__ Page’s Magazine. “This is a useful little work. . . . The mechanism of the steam eneine affords a very complete series of illustrations. . . . The book gives a clear exposition of their application to practical work.”—Iron anel Coal Trades Review. PROBLEMS IN MACHINE DESIGN. For the Use of Stu- dents, Draughtsmen and others. By C. H. Innes, M.A., Lecturer 011 Engineering at the Rutherford College, Newcastle-on-Tyne. Second Edition. Crown 8vo. Cloth, price 4s. 6d. net, post free 5s. net, abroad 5s. 3d. net. 21. “Of muehvalueto draughtsmen and engineers, to whom we cordially recom- mend it.”— Meehanical World. “That the book will be valuable to many there can be no doubt, and it is to be cordially recommended to the netiee of engineering students.”—Steamship. LOCI IN MECHANICAL DRAWING. PART III. Piston Acceleration. By Alexr. MacLay, B.Sc., C.E., &c. Demy 8vo. Cloth, with numerous illustrations, price 2s. 6d. net, post free 2s. 9d. net, abroad 3s. net. 22. “ The comprehensive and clear treatment of this subject in the present work should at once make the book a standard of reference on this topio, and it should form a most acceptable addition to the working library of every draughtsman and designing engineer.”—Marine Engineering. MODERN GAS AND OIL ENGINES. Profusely illustrated. A full and exhaustive Treatment of the Design, Construction and Working of Gas and Oil Engines up to date. By Frederick Grover, Assoc. M. Inst. C.E. Fifth New and Enlarged Edition. Crown 8vo. Cloth, price 5s. net, post free 5s. 6d. net, abroad 5s. 9d. net. 23. “ It is clear that those interested in gas and oil engines have recognised the usefulness of this work.”—The Ironmonger. “This fresh matter comes as a welcome addition to a work whose value is already appreciated by practical engineers.”—The Builder. “ In its revised form it should meet with the inereased appreciation of draughts- men and others interested in the design and operation of gas and oil engines.”— Meehanical World. “Modern Gas and Oil Engines’ is an almost ideal text-book on the important subjects which occupy its pages. It is no refleetion upon other eminent men who have written, and written with great ability, to say that Mr. Grover’s work surpasses them all in its coneise, lucid, and thorough practical line of exposition.” —Science and Art of Mining. HEAT AND HEAT ENGINES. A Treatise on Thermo- dynamics, as Practically Applied to Heat Motors. Specially written for Engineers. By W. C. Popplewell, M.Sc. Crown 8vo. Cloth, price 6s. net, post free 6s. 6d. net, abroad 6s. 9d. net. 24. “The volume is one which we have pleasure in commending to the attention of those engineers who wish to gain a clear conception of the elementarv laws of the heat engine.”—The Engineer.